Troubleshooting
6–38
TDS 340A, TDS 360 & TDS 380 Technical Reference
Yes
No
Done.
No
Yes
This procedure assumes that
the oscilloscope is up and
running and you can read the
display.
Does
the Error Log
report any errors?
Check the last failure on
the list.
Select the extended
diagnostics menu and run
all tests.
Is it an ACQ,
CPU, or DSP
failure?
Replace the Main board.
No
Yes
Is it a front panel
error?
Perform the Front
Panel/Processor
troubleshooting procedure
(Figure 6–24).
No
Yes
Is
it an option
error?
The problem is most
likely the Option module.
Replace module.
Yes
No
Does the display
report any
errors?
Done.
Run all the extended
diagnostics.
No
Yes
Does the error
still occur?
Replace the Main board.
Yes
No
Are any
failures
reported?
The oscilloscope is
ok.
Done.
No
Yes
Does the error
still occur?
Replace the Floppy
Interface board
Figure 6–23: Module isolation troubleshooting procedure
Summary of Contents for TDS 340A
Page 4: ......
Page 12: ...Contents viii TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 16: ...Service Safety Summary xii TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 19: ......
Page 32: ......
Page 42: ...Operating Information 2 10 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 43: ......
Page 49: ...Theory of Operation 3 6 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 59: ...Theory of Operation 3 16 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 60: ......
Page 82: ...Performance Tests 4 22 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 83: ......
Page 91: ...Adjustment Procedures 5 8 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 92: ......
Page 140: ...Troubleshooting 6 48 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 142: ...Repackaging Instructions 6 50 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 143: ......
Page 148: ......
Page 206: ...Electrical Parts List 8 58 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 207: ......
Page 210: ...TDS 340A 360 380 OPTION BOARD BLOCK DIAGRAM A2 0 ...
Page 211: ......
Page 212: ...OPTION BUS AND GPIB A2 TDS 340A 360 380 1 ...
Page 213: ......
Page 214: ...TDS 340A 360 380 ROM PRINTER AND RS 232 A2 2 ...
Page 216: ...PRINTER POWER A3 1 TDS 340A 360 380 OPTION 14 ...
Page 218: ...A5 1 FLOPPY INTERFACE TDS 340A 360 380 ...
Page 222: ...CPU A6 TDS 340A 360 380 1 ...
Page 223: ......
Page 224: ...A6 TDS 340A 360 380 2 FPP POTS ...
Page 225: ......
Page 226: ...LEDS DRIVER A6 TDS 340A 360 380 3 ...
Page 227: ......
Page 228: ...SWITCHES A6 TDS 340A 360 380 4 ...
Page 233: ...9 26 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 234: ...ROOT SHEET A11 A12 TDS 340A 360 0 ...
Page 235: ......
Page 236: ...TRIGGERS A11 A12 TDS 340A 360 1 TDS 340A ...
Page 237: ......
Page 238: ...ATTENUATORS A11 A12 TDS 340A 360 2 TDS 340A TDS 340A ...
Page 239: ......
Page 240: ...TRIGGER LOGIC AND TIME INTERPOLATOR A11 A12 TDS 340A 360 3 ...
Page 241: ......
Page 242: ...TIME BASE CONTROLLER A11 A12 TDS 340A 360 4 ...
Page 243: ......
Page 244: ...SAMPLER A11 A12 TDS 340A 360 5 ...
Page 245: ......
Page 246: ...CPU A11 A12 TDS 340A 360 6 TDS 340A ...
Page 247: ......
Page 248: ...DISPLAY A11 A12 TDS 340A 360 7 ...
Page 252: ...MAIN BLOCK DIAGRAM A13 TDS 380 0 MAIN BOARD 671 3753 00 389 2154 00 ...
Page 253: ......
Page 254: ...TRIGGERS A13 TDS 380 1 ...
Page 255: ......
Page 256: ...ATTENUATORS A13 TDS 380 2 ...
Page 257: ......
Page 258: ...TRIGGER LOGIC AND TIME INTERPOLATOR A13 TDS 380 3 ...
Page 259: ......
Page 260: ...TIMEBASE A13 TDS 380 4 ...
Page 261: ......
Page 262: ...SAMPLER A13 TDS 380 5 ...
Page 263: ......
Page 264: ...CPU A13 TDS 380 6 ...
Page 265: ......
Page 266: ...DISPLAY A13 TDS 380 7 ...
Page 269: ...9 62 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 270: ...MONITOR BLOCK DIAGRAM A26 TDS 340A 360 380 0 ...
Page 271: ......
Page 272: ...INPUTS VIDEO AND VERTICAL DEFLECTION A26 TDS 340A 360 380 1 ...
Page 273: ......
Page 274: ......
Page 286: ...Mechanical Parts List 10 12 TDS 340A TDS 360 TDS 380 Technical Reference ...
Page 287: ......
Page 288: ......